20642707

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 22413312

約数和(自身を除く): 1770605

約数列:

[1, 23, 37, 127, 191, 851, 2921, 4393, 4699, 7067, 24257, 108077, 162541, 557911, 897509, 20642707]

約数ペア:

[(1, 20642707), (23, 897509), (37, 557911), (127, 162541), (191, 108077), (851, 24257), (2921, 7067), (4393, 4699)]